Introsyststrat2

Introsyststrat2 Porto, portugal introduction to systemic stratigraphy preface sequence stratigraphy studies the stratigraphic cycles labeled “sequence”. they are deposited during sea level cycles of 3rd order (time duration ranging between 0.5 and 3.0 my)1. the term “sequence” adopted by vail1, in 1977, was initially proposed by sloss 2 to define the stratigraphic intervals bounded by major tectonic. A stratigraphic column, in which a salt layer (or an evaporitic layer) is inter bedded with other rocks, can be deformed in different ways. the deformation depends on whether the basement is involved in the deformation and upon the effective stresses ellipsoid, i.e., the tectonic regime, which can change spatially and temporally (fig.1). a salt layer can be lengthened, or shortened, or both.

Introsyststrat2 Universidade fernando pessoa porto, portugal salt tectonics short course introduction salt tectonics (fig. 1) has been defined as any tectonic deformation of a sedimentary package involving salt, or other evaporites as a mobile substratum or mobile layer. in this sense, salt tectonics is not a synonym of halokinesis, which labels a sedimentary deformation powered entirely by gravity, that is. Vti encoding:sr|utf8 vti cachedlinkinfo:vx|s| images logocover s| images finger h|page3.htm h| index.htm s| images hhome h|mailto:ccramez@compuserve vti extenderversion:sr|2.0.2.1406 vti nexttolasttimemodified:tr|30 oct 2001 02:25:19 0100 vti timelastmodified:tr|24 sep 2003 01:00:56 0300 vti cachedbodystyle:sr| vti cacheddtm:tx|24 sep 2003 01:00:56 0300 vti timecreated:tr|27 oct 1999 22:00:15 0300 vti author:sr| vti title:sw|introsyststrat2 vti cachedtitle:sr|introsyststrat2.

Introsyststrat2

Introsyststrat2

Introsyststrat2